This standard presents the procedures at the S or T reference point for D-channel access connection on basic rate interfaces and primary rate interfaces within the Integrated Services Digital Network (ISDN) to support ISDN user signalling bearer service. Formerly known as T1.623-1993(R2009).
ATIS 1000623.2014 (R2019)
Original price was: $110.00.$55.00Current price is: $55.00.
Digital Subscriber Signaling System No. 1 (DSS1) – Signaling Specification for the User Signaling Bearer Service
The Alliance for Telecommunications Industry Solutions , 06/01/2014
Pages: 22
